Home / 48,081.12-72,023.76-39,228

Finding the Fourth Proportional to 48,081.12, 72,023.76 and 39,228

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Solution

The fourth proportional to 48,081.12, 72,023.76 and 39,228 is: 58,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,081.12 : 72,023.76 = 39,228 : x
  2. Step 2: Convert to fraction form
    48,081.12/72,023.76 = 39,228/x
  3. Step 3: Cross multiply
    48,081.12x = 72,023.76 × 39,228
  4. Step 4: Simplify right side
    48,081.12x = 2,825,348,057.28
  5. Step 5: Solve for x
    x = 2,825,348,057.28/48,081.12
  6. Step 6: Final answer
    x = 58,762.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.